# Copyright 2021-2024 The PySCF Developers. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.


'''
Hessian of dispersion correction for HF and DFT
'''

from pyscf.hessian import dispersion
from gpu4pyscf import dft

# Inject to SCF class
from gpu4pyscf.hessian import rhf, uhf, rks, uks
rhf.Hessian.get_dispersion = dispersion.get_dispersion
uhf.Hessian.get_dispersion = dispersion.get_dispersion
rks.Hessian.get_dispersion = dispersion.get_dispersion
uks.Hessian.get_dispersion = dispersion.get_dispersion
